diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 9c6900d1c6a2..bbfd060d3aa2 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -153,9 +153,7 @@ fi
 for script in postinst postrm preinst prerm ; do
 	mkdir -p "$tmpdir$debhookdir/$script.d"
 	cat <<EOF > "$tmpdir/DEBIAN/$script"
-#!/bin/sh
-
-set -e
+#!/bin/bash -e
 
 # Pass maintainer script parameters to hook scripts
 export DEB_MAINT_PARAMS="\$*"
@@ -169,6 +167,11 @@ EOF
 	chmod 755 "$tmpdir/DEBIAN/$script"
 done
 
+sed '$d' "$tmpdir/DEBIAN/postinst" > "$tmpdir/DEBIAN/postinst.tmp"  && mv "$tmpdir/DEBIAN/postinst.tmp" "$tmpdir/DEBIAN/postinst"
+cat scripts/package/postinst_patch >> "$tmpdir/DEBIAN/postinst"
+chmod 755 "$tmpdir/DEBIAN/postinst"
+
+
 # Build kernel header package
 (cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
 (cd $srctree; find arch/*/include tools/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles"
diff --git a/scripts/package/postinst_patch b/scripts/package/postinst_patch
new file mode 100644
index 000000000000..e49ae83aec37
--- /dev/null
+++ b/scripts/package/postinst_patch
@@ -0,0 +1,98 @@
+PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+board_info() {
+    case $1 in
+        0000)
+            BOARD_NAME='LubanCat-1'
+            BOARD_DTB='rk3566-lubancat-1.dtb'
+            BOARD_uEnv='uEnvLubanCat1.txt'
+            ;;
+        0100)
+            BOARD_NAME='LubanCat-1N'
+            BOARD_DTB='rk3566-lubancat-1n.dtb'
+            BOARD_uEnv='uEnvLubanCat1N.txt'
+            ;;
+        0200)
+            BOARD_NAME='LubanCat-0N'
+            BOARD_DTB='rk3566-lubancat-0.dtb'
+            BOARD_uEnv='uEnvLubanCatZN.txt'
+            ;;
+        0300)
+            BOARD_NAME='LubanCat-0W'
+            BOARD_DTB='rk3566-lubancat-0.dtb'
+            BOARD_uEnv='uEnvLubanCatZW.txt'
+            ;;
+        0400)
+            BOARD_NAME='LubanCat-2'
+            BOARD_DTB='rk3568-lubancat-2.dtb'
+            BOARD_uEnv='uEnvLubanCat2.txt'
+            ;;
+        0500 |\
+        0600)
+            BOARD_NAME='LubanCat-2N'
+            BOARD_DTB='rk3568-lubancat-2n.dtb'
+            BOARD_uEnv='uEnvLubanCat2N.txt'
+            ;;
+        0700)
+            BOARD_NAME='LubanCat-2IO'
+            BOARD_DTB='rk3568-lubancat-2io.dtb'
+            BOARD_uEnv='uEnvLubanCat2IO.txt'
+            ;;
+        0001)
+            BOARD_NAME='LubanCat-4'
+            BOARD_DTB='rk3588s-lubancat-4.dtb'
+            BOARD_uEnv='uEnvLubanCat4.txt'
+            ;;
+        0402)
+            BOARD_NAME='LubanCat-2 v1'
+            BOARD_DTB='rk3568-lubancat-2-v1.dtb'
+            BOARD_uEnv='uEnvLubanCat2-V1.txt'
+            ;;
+        *)
+            echo "Device ID Error !!!"
+            exit ;;
+    esac
+}
+
+# voltage_scale
+# 1.7578125 8bit
+# 0.439453125 12bit
+get_index(){
+    ADC_RAW=$1
+    INDEX=0xff
+
+    if [ $(echo "$ADC_voltage_scale > 1 "|bc) -eq 1 ] ; then
+        declare -a ADC_INDEX=(229 344 460 595 732 858 975 1024)
+    else
+        declare -a ADC_INDEX=(916 1376 1840 2380 2928 3432 3900 4096)
+    fi
+
+    for i in 00 01 02 03 04 05 06 07; do
+        if [ $ADC_RAW -lt ${ADC_INDEX[$i]} ]; then
+            INDEX=$i
+            break
+        fi
+    done
+}
+
+board_id() {
+    ADC_voltage_scale=$(cat /sys/bus/iio/devices/iio\:device0/in_voltage_scale)
+    ADC_CH2_RAW=$(cat /sys/bus/iio/devices/iio\:device0/in_voltage2_raw)
+    ADC_CH3_RAW=$(cat /sys/bus/iio/devices/iio\:device0/in_voltage3_raw)
+
+    get_index $ADC_CH2_RAW
+    ADC_CH2_INDEX=$INDEX
+
+    get_index $ADC_CH3_RAW
+    ADC_CH3_INDEX=$INDEX
+
+    BOARD_ID=$ADC_CH2_INDEX$ADC_CH3_INDEX
+}
+
+board_id
+board_info ${BOARD_ID}
+
+if [ ! -L "/boot/uEnv/uEnv.txt" ] ; then 
+	echo "ln -sf /boot/uEnv/$BOARD_uEnv /boot/uEnv/uEnv.txt"
+	ln -sf /boot/uEnv/$BOARD_uEnv /boot/uEnv/uEnv.txt 
+fi
+exit 0
\ No newline at end of file